1. D. D. Smith, “A Space Stable Optical Bench Structure For the Space Telescope Wide Field and Planetary Camera,” Sampe Symposium, (1980)
2. B. S. Lement, B. L. Averbach, M. Cohen, “The Dimensional Behavior of Invar,” Transactions of the A.S.M. Vol. 43, 1951, Pages 1072 - 1097.
3. J. W. Berthold III, S. F. Jacobs, and M. A. Norton, “Dimensional Stability of Fused Silica, Invar, and Several Ultralow Thermal Expansion Materials,” Metrologia 13, 9 - 16 (1977).
4. H. Masumoto, “On the Thermal Expansion of the Alloys of Iron Nickel and Cobalt, and the Cause of the Small Expansibility of Alloys of the Invar Type,” Science Reports, Tohoku Inperial University, V. 20, P. 101, (1932).
5. E. G. Wolff, C. S. Susskind, D. L. Dull and S. A. Eselun, “Processing Effects on the Dimensional Stability of Invar,” Second International Conference on Mechanical Behavior of Materials, Boston, MA, 16 - 20 August 1976.